./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 166940a7dc08b3f52b5b77619febc023b897cf62 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Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 01:50:23,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 01:50:23,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 01:50:23,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 01:50:23,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 01:50:23,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 01:50:23,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 01:50:23,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 01:50:23,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 01:50:23,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 01:50:23,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 01:50:23,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 01:50:23,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 01:50:23,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 01:50:23,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 01:50:23,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 01:50:23,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 01:50:23,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 01:50:23,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 01:50:23,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 01:50:23,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 01:50:23,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 01:50:23,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 01:50:23,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 01:50:23,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 01:50:23,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 01:50:23,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 01:50:23,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 01:50:23,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 01:50:23,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 01:50:23,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 01:50:23,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 01:50:23,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 01:50:23,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 01:50:23,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 01:50:23,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 01:50:23,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 01:50:23,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 01:50:23,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 01:50:23,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 01:50:23,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 01:50:23,818 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-31 01:50:23,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 01:50:23,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 01:50:23,848 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 01:50:23,848 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 01:50:23,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 01:50:23,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 01:50:23,849 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 01:50:23,849 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 01:50:23,849 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 01:50:23,849 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 01:50:23,850 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 01:50:23,850 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 01:50:23,850 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 01:50:23,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 01:50:23,850 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 01:50:23,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 01:50:23,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 01:50:23,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 01:50:23,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 01:50:23,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 01:50:23,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 01:50:23,851 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 01:50:23,851 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 01:50:23,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 01:50:23,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 01:50:23,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 01:50:23,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 01:50:23,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 01:50:23,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 01:50:23,852 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 01:50:23,852 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 166940a7dc08b3f52b5b77619febc023b897cf62 [2021-08-31 01:50:24,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 01:50:24,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 01:50:24,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 01:50:24,136 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 01:50:24,138 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 01:50:24,139 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.i [2021-08-31 01:50:24,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63d0352d/fb915e40bbb14444a592094400a337d1/FLAGda926174d [2021-08-31 01:50:24,576 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 01:50:24,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrspn_mixed_alloca.i [2021-08-31 01:50:24,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63d0352d/fb915e40bbb14444a592094400a337d1/FLAGda926174d [2021-08-31 01:50:24,593 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63d0352d/fb915e40bbb14444a592094400a337d1 [2021-08-31 01:50:24,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 01:50:24,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 01:50:24,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 01:50:24,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 01:50:24,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 01:50:24,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:50:24" (1/1) ... [2021-08-31 01:50:24,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1173650e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:50:24, skipping insertion in model container [2021-08-31 01:50:24,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:50:24" (1/1) ... [2021-08-31 01:50:24,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 01:50:24,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 01:50:24,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:50:24,848 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 01:50:24,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:50:24,907 INFO L208 MainTranslator]: Completed translation [2021-08-31 01:50:24,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:50:24 WrapperNode [2021-08-31 01:50:24,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 01:50:24,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 01:50:24,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 01:50:24,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 01:50:24,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:50:24" (1/1) ... [2021-08-31 01:50:24,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:50:24" (1/1) ... [2021-08-31 01:50:24,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 01:50:24,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 01:50:24,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 01:50:24,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 01:50:24,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:50:24" (1/1) ... [2021-08-31 01:50:24,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:50:24" (1/1) ... [2021-08-31 01:50:24,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:50:24" (1/1) ... [2021-08-31 01:50:24,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:50:24" (1/1) ... [2021-08-31 01:50:24,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:50:24" (1/1) ... [2021-08-31 01:50:24,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:50:24" (1/1) ... [2021-08-31 01:50:24,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:50:24" (1/1) ... [2021-08-31 01:50:24,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 01:50:24,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 01:50:24,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 01:50:24,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 01:50:24,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:50:24" (1/1) ... [2021-08-31 01:50:24,994 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:25,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:25,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:25,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 01:50:25,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-31 01:50:25,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-31 01:50:25,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 01:50:25,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 01:50:25,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 01:50:25,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 01:50:25,182 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 01:50:25,182 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-31 01:50:25,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:50:25 BoogieIcfgContainer [2021-08-31 01:50:25,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 01:50:25,184 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 01:50:25,184 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 01:50:25,186 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 01:50:25,186 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:50:25,186 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 01:50:24" (1/3) ... [2021-08-31 01:50:25,187 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1386b3de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:50:25, skipping insertion in model container [2021-08-31 01:50:25,187 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:50:25,187 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:50:24" (2/3) ... [2021-08-31 01:50:25,187 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1386b3de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:50:25, skipping insertion in model container [2021-08-31 01:50:25,187 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:50:25,187 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:50:25" (3/3) ... [2021-08-31 01:50:25,188 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrspn_mixed_alloca.i [2021-08-31 01:50:25,216 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 01:50:25,216 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 01:50:25,216 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 01:50:25,216 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 01:50:25,216 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 01:50:25,216 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 01:50:25,216 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 01:50:25,216 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 01:50:25,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:50:25,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-08-31 01:50:25,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:50:25,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:50:25,238 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-31 01:50:25,238 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-08-31 01:50:25,238 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 01:50:25,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:50:25,239 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-08-31 01:50:25,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:50:25,239 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:50:25,240 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-31 01:50:25,240 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-08-31 01:50:25,245 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 17#L382true assume !(main_~length1~0 < 1); 15#L382-2true assume !(main_~length2~0 < 1); 6#L385-1true call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 10#L369-4true [2021-08-31 01:50:25,245 INFO L793 eck$LassoCheckResult]: Loop: 10#L369-4true call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 16#L369-1true assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 8#L372-5true assume !true; 7#L372-6true call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 18#L374true assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 11#L369-3true cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 10#L369-4true [2021-08-31 01:50:25,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:50:25,249 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-08-31 01:50:25,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:50:25,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266692223] [2021-08-31 01:50:25,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:50:25,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:50:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:25,327 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:50:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:25,373 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:50:25,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:50:25,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2021-08-31 01:50:25,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:50:25,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974394749] [2021-08-31 01:50:25,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:50:25,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:50:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:50:25,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:50:25,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:50:25,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974394749] [2021-08-31 01:50:25,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974394749] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:50:25,434 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:50:25,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-31 01:50:25,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999308012] [2021-08-31 01:50:25,437 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 01:50:25,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:50:25,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-31 01:50:25,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-31 01:50:25,457 INFO L87 Difference]: Start difference. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:50:25,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:50:25,517 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-08-31 01:50:25,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-31 01:50:25,520 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2021-08-31 01:50:25,521 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-08-31 01:50:25,523 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2021-08-31 01:50:25,524 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-08-31 01:50:25,524 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-08-31 01:50:25,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2021-08-31 01:50:25,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:50:25,524 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-08-31 01:50:25,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2021-08-31 01:50:25,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-08-31 01:50:25,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:50:25,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2021-08-31 01:50:25,555 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-08-31 01:50:25,555 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-08-31 01:50:25,555 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 01:50:25,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2021-08-31 01:50:25,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-08-31 01:50:25,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:50:25,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:50:25,556 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-31 01:50:25,556 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:50:25,557 INFO L791 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 45#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 52#L382 assume !(main_~length1~0 < 1); 56#L382-2 assume !(main_~length2~0 < 1); 46#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 47#L369-4 [2021-08-31 01:50:25,557 INFO L793 eck$LassoCheckResult]: Loop: 47#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 53#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 50#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 51#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 55#L372-3 assume !cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210; 48#L372-6 call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 49#L374 assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 54#L369-3 cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 47#L369-4 [2021-08-31 01:50:25,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:50:25,557 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2021-08-31 01:50:25,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:50:25,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264901384] [2021-08-31 01:50:25,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:50:25,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:50:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:25,587 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:50:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:25,600 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:50:25,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:50:25,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2021-08-31 01:50:25,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:50:25,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391772034] [2021-08-31 01:50:25,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:50:25,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:50:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:25,610 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:50:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:25,618 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:50:25,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:50:25,618 INFO L82 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2021-08-31 01:50:25,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:50:25,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194963185] [2021-08-31 01:50:25,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:50:25,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:50:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:25,651 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:50:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:25,676 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:50:26,246 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:50:26,247 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:50:26,247 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:50:26,247 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:50:26,247 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:50:26,247 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:26,247 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:50:26,247 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:50:26,247 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_mixed_alloca.i_Iteration2_Lasso [2021-08-31 01:50:26,247 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:50:26,247 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:50:26,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:26,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:26,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:26,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:26,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:26,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:26,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:26,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:26,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:26,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:26,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:26,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:26,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:26,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:26,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:26,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:26,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:26,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:26,978 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:50:26,981 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:50:26,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:26,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:26,997 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:27,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:27,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:27,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:27,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:27,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:27,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:27,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:27,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:27,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-31 01:50:27,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:27,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:27,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:27,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:27,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:27,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-31 01:50:27,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:27,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:27,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:27,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:27,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:27,103 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:27,103 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:27,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:27,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:27,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:27,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:27,138 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:27,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-31 01:50:27,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:27,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:27,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:27,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:27,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:27,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:27,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:27,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:27,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:27,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:27,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:27,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:27,188 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:27,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-31 01:50:27,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:27,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:27,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:27,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:27,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:27,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:27,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:27,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:27,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:27,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:27,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:27,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:27,230 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:27,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-31 01:50:27,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:27,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:27,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:27,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:27,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:27,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:27,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:27,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:27,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-08-31 01:50:27,270 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:27,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:27,272 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:27,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-31 01:50:27,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:27,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:27,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:27,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:27,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:27,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:27,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:27,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:27,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:27,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:27,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:27,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:27,299 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:27,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-31 01:50:27,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:27,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:27,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:27,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:27,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:27,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:27,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:27,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:27,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:27,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:27,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:27,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:27,340 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:27,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-31 01:50:27,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:27,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:27,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:27,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:27,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:27,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:27,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:27,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:27,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:27,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:27,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:27,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:27,370 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:27,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-31 01:50:27,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:27,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:27,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:27,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:27,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:27,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:27,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:27,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:27,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:27,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:27,424 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:27,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:27,425 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:27,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:27,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:27,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:27,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:27,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:27,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:27,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:27,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:27,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-31 01:50:27,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:27,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:27,468 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:27,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:27,469 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:27,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-31 01:50:27,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:27,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:27,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:27,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:27,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:27,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:27,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:27,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:27,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:27,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:27,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:27,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:27,510 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:27,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-31 01:50:27,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:27,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:27,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:27,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:27,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:27,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:27,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:27,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:27,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:27,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:27,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:27,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:27,543 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:27,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-31 01:50:27,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:27,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:27,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:27,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:27,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:27,553 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:27,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:27,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:27,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:27,599 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:27,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:27,599 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:27,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-31 01:50:27,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:27,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:27,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:27,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:27,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:27,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:27,612 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:27,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:27,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:27,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:27,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:27,646 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:27,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-31 01:50:27,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:27,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:27,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:27,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:27,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:27,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:27,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:27,682 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:50:27,701 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-08-31 01:50:27,701 INFO L444 ModelExtractionUtils]: 18 out of 49 variables were initially zero. Simplification set additionally 28 variables to zero. [2021-08-31 01:50:27,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:27,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:27,716 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:27,731 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:50:27,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-31 01:50:27,769 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 01:50:27,769 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:50:27,769 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~sc1~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc215.base)_1) = -1*ULTIMATE.start_cstrspn_~sc1~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc215.base)_1 Supporting invariants [] [2021-08-31 01:50:27,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:27,807 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2021-08-31 01:50:27,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:50:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:50:27,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-31 01:50:27,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:50:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:50:27,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-31 01:50:27,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:50:27,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-08-31 01:50:28,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:50:28,039 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-31 01:50:28,039 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:50:28,091 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 4 states. [2021-08-31 01:50:28,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 01:50:28,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:50:28,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2021-08-31 01:50:28,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2021-08-31 01:50:28,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:50:28,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2021-08-31 01:50:28,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:50:28,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2021-08-31 01:50:28,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:50:28,095 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2021-08-31 01:50:28,096 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:50:28,096 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2021-08-31 01:50:28,096 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-08-31 01:50:28,097 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-08-31 01:50:28,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-08-31 01:50:28,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:50:28,097 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-08-31 01:50:28,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-08-31 01:50:28,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-08-31 01:50:28,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:50:28,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-08-31 01:50:28,099 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-08-31 01:50:28,099 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-08-31 01:50:28,099 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 01:50:28,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-08-31 01:50:28,099 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:50:28,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:50:28,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:50:28,100 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:50:28,100 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 01:50:28,100 INFO L791 eck$LassoCheckResult]: Stem: 178#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 179#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 188#L382 assume !(main_~length1~0 < 1); 195#L382-2 assume !(main_~length2~0 < 1); 180#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 181#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 190#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 184#L372-5 [2021-08-31 01:50:28,100 INFO L793 eck$LassoCheckResult]: Loop: 184#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 185#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 193#L372-3 assume !!cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210;cstrspn_#t~post211.base, cstrspn_#t~post211.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post211.base, cstrspn_#t~post211.offset - 1;havoc cstrspn_#t~post211.base, cstrspn_#t~post211.offset; 184#L372-5 [2021-08-31 01:50:28,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:50:28,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2021-08-31 01:50:28,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:50:28,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464105623] [2021-08-31 01:50:28,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:50:28,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:50:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:28,113 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:50:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:28,127 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:50:28,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:50:28,128 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2021-08-31 01:50:28,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:50:28,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121564846] [2021-08-31 01:50:28,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:50:28,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:50:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:28,132 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:50:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:28,136 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:50:28,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:50:28,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2021-08-31 01:50:28,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:50:28,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529163780] [2021-08-31 01:50:28,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:50:28,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:50:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:28,151 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:50:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:28,166 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:50:28,719 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:50:28,720 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:50:28,720 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:50:28,720 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:50:28,720 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:50:28,720 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:28,720 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:50:28,720 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:50:28,720 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_mixed_alloca.i_Iteration3_Lasso [2021-08-31 01:50:28,720 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:50:28,720 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:50:28,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:28,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:28,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:28,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:28,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:28,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:28,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:28,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:28,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:28,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:28,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:28,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:28,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:28,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:28,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:28,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:28,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:29,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:29,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:29,490 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:50:29,490 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:50:29,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:29,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:29,500 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:29,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-31 01:50:29,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:29,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:29,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:29,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:29,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:29,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:29,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:29,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:29,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:29,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:29,526 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:29,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:29,527 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:29,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-08-31 01:50:29,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:29,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:29,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:29,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:29,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:29,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:29,536 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:29,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:29,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:29,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:29,574 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:29,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:29,575 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:29,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-08-31 01:50:29,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:29,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:29,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:29,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:29,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:29,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:29,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:29,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:29,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:29,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:29,628 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:29,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:29,629 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:29,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:29,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:29,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:29,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:29,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:29,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:29,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:29,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-08-31 01:50:29,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:29,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:29,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:29,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:29,671 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:29,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-08-31 01:50:29,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:29,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:29,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:29,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:29,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:29,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:29,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:29,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:29,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:29,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:29,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:29,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:29,700 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:29,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-08-31 01:50:29,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:29,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:29,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:29,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:29,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:29,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:29,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:29,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:29,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:29,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:29,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:29,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:29,727 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:29,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-08-31 01:50:29,729 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:29,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:29,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:29,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:29,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:29,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:29,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:29,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:29,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:29,771 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:29,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:29,772 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:29,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-08-31 01:50:29,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:29,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:29,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:29,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:29,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:29,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:29,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:29,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:29,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:29,800 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:29,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:29,801 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:29,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-08-31 01:50:29,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:29,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:29,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:29,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:29,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:29,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:29,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:29,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:29,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:29,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:29,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:29,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:29,828 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:29,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-08-31 01:50:29,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:29,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:29,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:29,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:29,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:29,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:29,836 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:29,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:29,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:29,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-08-31 01:50:29,852 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:29,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:29,863 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:29,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-08-31 01:50:29,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:29,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:29,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:29,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:29,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:29,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:29,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:29,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:29,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:29,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:29,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:29,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:29,892 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:29,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-08-31 01:50:29,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:29,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:29,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:29,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:29,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:29,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:29,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:29,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:29,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:29,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-08-31 01:50:29,920 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:29,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:29,921 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:29,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-08-31 01:50:29,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:29,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:29,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:29,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:29,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:29,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:29,931 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:29,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:29,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:29,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-08-31 01:50:29,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:29,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:29,958 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:29,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-08-31 01:50:29,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:29,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:29,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:29,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:29,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:29,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:29,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:29,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:29,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:29,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:29,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:29,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:29,985 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:29,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-08-31 01:50:29,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:29,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:29,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:29,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:29,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:29,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:29,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:29,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:29,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:30,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:30,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:30,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:30,012 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:30,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-08-31 01:50:30,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:30,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:30,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:30,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:30,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:30,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:30,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:30,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:30,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:30,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:30,040 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:30,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:30,041 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:30,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-08-31 01:50:30,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:30,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:30,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:30,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:30,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:30,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:30,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:30,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:30,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-08-31 01:50:30,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:30,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:30,069 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:30,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-08-31 01:50:30,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:30,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:30,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:30,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:30,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:30,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:30,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:30,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:30,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:30,113 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:30,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:30,114 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:30,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-08-31 01:50:30,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:30,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:30,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:30,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:30,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:30,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:30,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:30,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:30,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:30,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:30,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:30,194 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:30,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-08-31 01:50:30,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:30,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:30,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:30,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:30,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:30,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:30,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:30,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:30,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:30,261 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:30,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:30,262 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:30,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-08-31 01:50:30,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:30,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:30,271 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-31 01:50:30,271 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2021-08-31 01:50:30,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:30,306 INFO L401 nArgumentSynthesizer]: We have 108 Motzkin's Theorem applications. [2021-08-31 01:50:30,307 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-08-31 01:50:30,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:30,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:30,400 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:30,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:30,402 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:30,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-08-31 01:50:30,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:30,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:30,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:30,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:30,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:30,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:30,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:30,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:30,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:30,464 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:30,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:30,465 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:30,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:30,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-08-31 01:50:30,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:30,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:30,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:30,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:30,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:30,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:30,515 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:50:30,550 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-08-31 01:50:30,550 INFO L444 ModelExtractionUtils]: 28 out of 55 variables were initially zero. Simplification set additionally 24 variables to zero. [2021-08-31 01:50:30,550 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:30,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:30,551 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:30,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-08-31 01:50:30,553 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:50:30,574 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 01:50:30,574 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:50:30,574 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0.offset, v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_1) = 2*ULTIMATE.start_cstrspn_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0.base)_1 Supporting invariants [] [2021-08-31 01:50:30,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:30,650 INFO L297 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2021-08-31 01:50:30,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:50:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:50:30,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-31 01:50:30,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:50:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:50:30,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-31 01:50:30,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:50:30,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:50:30,743 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-08-31 01:50:30,744 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:50:30,778 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 6 states. [2021-08-31 01:50:30,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 01:50:30,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:50:30,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-08-31 01:50:30,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2021-08-31 01:50:30,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:50:30,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2021-08-31 01:50:30,780 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:50:30,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2021-08-31 01:50:30,780 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:50:30,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2021-08-31 01:50:30,781 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:50:30,781 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2021-08-31 01:50:30,781 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-08-31 01:50:30,782 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-08-31 01:50:30,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2021-08-31 01:50:30,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:50:30,782 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-08-31 01:50:30,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2021-08-31 01:50:30,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-08-31 01:50:30,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:50:30,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2021-08-31 01:50:30,784 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-08-31 01:50:30,784 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2021-08-31 01:50:30,784 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 01:50:30,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2021-08-31 01:50:30,784 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:50:30,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:50:30,785 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:50:30,785 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:50:30,785 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 01:50:30,785 INFO L791 eck$LassoCheckResult]: Stem: 382#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 383#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 392#L382 assume !(main_~length1~0 < 1); 401#L382-2 assume !(main_~length2~0 < 1); 384#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 385#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 393#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 402#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 405#L372-1 assume !cstrspn_#t~short210; 403#L372-3 assume !cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210; 386#L372-6 call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 387#L374 assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 397#L369-3 cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 394#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 396#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 388#L372-5 [2021-08-31 01:50:30,785 INFO L793 eck$LassoCheckResult]: Loop: 388#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 389#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 398#L372-3 assume !!cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210;cstrspn_#t~post211.base, cstrspn_#t~post211.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post211.base, cstrspn_#t~post211.offset - 1;havoc cstrspn_#t~post211.base, cstrspn_#t~post211.offset; 388#L372-5 [2021-08-31 01:50:30,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:50:30,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2021-08-31 01:50:30,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:50:30,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065340081] [2021-08-31 01:50:30,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:50:30,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:50:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:50:30,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:50:30,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:50:30,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065340081] [2021-08-31 01:50:30,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065340081] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:50:30,854 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:50:30,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-31 01:50:30,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212500736] [2021-08-31 01:50:30,855 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 01:50:30,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:50:30,855 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2021-08-31 01:50:30,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:50:30,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491178882] [2021-08-31 01:50:30,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:50:30,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:50:30,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:30,861 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:50:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:30,865 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:50:30,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:50:30,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-31 01:50:30,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-31 01:50:30,938 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:50:31,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:50:31,009 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2021-08-31 01:50:31,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-31 01:50:31,009 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2021-08-31 01:50:31,010 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 01:50:31,011 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2021-08-31 01:50:31,011 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-08-31 01:50:31,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-08-31 01:50:31,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2021-08-31 01:50:31,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:50:31,012 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-08-31 01:50:31,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2021-08-31 01:50:31,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2021-08-31 01:50:31,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:50:31,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2021-08-31 01:50:31,013 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-08-31 01:50:31,014 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-08-31 01:50:31,014 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-31 01:50:31,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2021-08-31 01:50:31,014 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 01:50:31,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:50:31,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:50:31,015 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:50:31,015 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 01:50:31,015 INFO L791 eck$LassoCheckResult]: Stem: 454#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 455#L-1 havoc main_#res;havoc main_#t~nondet213, main_#t~nondet214, main_#t~malloc215.base, main_#t~malloc215.offset, main_#t~malloc216.base, main_#t~malloc216.offset, main_#t~ret217, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet213;havoc main_#t~nondet213;main_~length2~0 := main_#t~nondet214;havoc main_#t~nondet214; 464#L382 assume !(main_~length1~0 < 1); 473#L382-2 assume !(main_~length2~0 < 1); 456#L385-1 call main_#t~malloc215.base, main_#t~malloc215.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc215.base, main_#t~malloc215.offset;call main_#t~malloc216.base, main_#t~malloc216.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc216.base, main_#t~malloc216.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset, 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrspn_#in~s1.base, cstrspn_#in~s1.offset, cstrspn_#in~s2.base, cstrspn_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrspn_#res;havoc cstrspn_#t~mem207, cstrspn_#t~post211.base, cstrspn_#t~post211.offset, cstrspn_#t~mem208, cstrspn_#t~mem209, cstrspn_#t~short210, cstrspn_#t~mem212, cstrspn_#t~post205.base, cstrspn_#t~post205.offset, cstrspn_#t~mem206, cstrspn_~s1.base, cstrspn_~s1.offset, cstrspn_~s2.base, cstrspn_~s2.offset, cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, cstrspn_~s~0.base, cstrspn_~s~0.offset, cstrspn_~c~0;cstrspn_~s1.base, cstrspn_~s1.offset := cstrspn_#in~s1.base, cstrspn_#in~s1.offset;cstrspn_~s2.base, cstrspn_~s2.offset := cstrspn_#in~s2.base, cstrspn_#in~s2.offset;havoc cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;havoc cstrspn_~s~0.base, cstrspn_~s~0.offset;havoc cstrspn_~c~0;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_~s1.base, cstrspn_~s1.offset; 457#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 465#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 478#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 477#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 475#L372-3 assume !cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210; 458#L372-6 call cstrspn_#t~mem212 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1); 459#L374 assume !(cstrspn_#t~mem212 != cstrspn_~c~0);havoc cstrspn_#t~mem212; 469#L369-3 cstrspn_#t~post205.base, cstrspn_#t~post205.offset := cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset;cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset := cstrspn_#t~post205.base, 1 + cstrspn_#t~post205.offset;havoc cstrspn_#t~post205.base, cstrspn_#t~post205.offset; 466#L369-4 call cstrspn_#t~mem206 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1); 468#L369-1 assume !!(0 != cstrspn_#t~mem206);havoc cstrspn_#t~mem206;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_~s2.base, cstrspn_~s2.offset;call cstrspn_#t~mem207 := read~int(cstrspn_~sc1~0.base, cstrspn_~sc1~0.offset, 1);cstrspn_~c~0 := cstrspn_#t~mem207;havoc cstrspn_#t~mem207; 460#L372-5 [2021-08-31 01:50:31,016 INFO L793 eck$LassoCheckResult]: Loop: 460#L372-5 call cstrspn_#t~mem208 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := 0 != cstrspn_#t~mem208; 461#L372-1 assume cstrspn_#t~short210;call cstrspn_#t~mem209 := read~int(cstrspn_~s~0.base, cstrspn_~s~0.offset, 1);cstrspn_#t~short210 := cstrspn_#t~mem209 != (if cstrspn_~c~0 % 256 <= 127 then cstrspn_~c~0 % 256 else cstrspn_~c~0 % 256 - 256); 470#L372-3 assume !!cstrspn_#t~short210;havoc cstrspn_#t~mem208;havoc cstrspn_#t~mem209;havoc cstrspn_#t~short210;cstrspn_#t~post211.base, cstrspn_#t~post211.offset := cstrspn_~s~0.base, cstrspn_~s~0.offset;cstrspn_~s~0.base, cstrspn_~s~0.offset := cstrspn_#t~post211.base, cstrspn_#t~post211.offset - 1;havoc cstrspn_#t~post211.base, cstrspn_#t~post211.offset; 460#L372-5 [2021-08-31 01:50:31,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:50:31,016 INFO L82 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2021-08-31 01:50:31,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:50:31,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112716834] [2021-08-31 01:50:31,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:50:31,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:50:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:31,029 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:50:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:31,042 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:50:31,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:50:31,043 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2021-08-31 01:50:31,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:50:31,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005746682] [2021-08-31 01:50:31,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:50:31,043 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:50:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:31,046 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:50:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:31,049 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:50:31,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:50:31,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2021-08-31 01:50:31,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:50:31,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779882111] [2021-08-31 01:50:31,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:50:31,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:50:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:31,062 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:50:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:50:31,076 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:50:31,947 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:50:31,947 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:50:31,947 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:50:31,947 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:50:31,947 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:50:31,947 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:31,947 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:50:31,947 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:50:31,947 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn_mixed_alloca.i_Iteration5_Lasso [2021-08-31 01:50:31,948 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:50:31,948 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:50:31,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:31,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:31,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:31,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:31,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:31,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:31,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:31,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:31,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:31,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:31,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:31,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:31,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:31,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:31,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:31,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:31,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:31,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:32,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 01:50:33,612 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:50:33,613 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:50:33,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:33,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:33,614 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:33,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-08-31 01:50:33,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:33,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:33,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:33,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:33,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:33,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:33,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:33,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:33,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:33,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:33,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:33,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:33,649 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:33,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-08-31 01:50:33,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:33,656 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:33,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:33,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:33,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:33,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:33,657 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:33,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:33,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:33,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-08-31 01:50:33,674 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:33,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:33,674 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:33,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-08-31 01:50:33,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:33,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:33,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:33,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:33,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:33,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:33,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:33,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:33,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:33,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:33,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:33,722 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:33,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-08-31 01:50:33,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:33,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:33,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:33,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:33,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:33,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:33,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:33,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:33,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:33,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:33,768 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:33,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:33,769 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:33,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-08-31 01:50:33,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:33,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:33,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:33,780 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:33,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:33,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:33,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:33,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:33,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:33,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:33,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:33,809 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:33,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-08-31 01:50:33,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:33,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:33,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:33,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:33,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:33,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:33,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:33,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:33,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:33,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:33,854 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:33,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:33,855 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:33,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-08-31 01:50:33,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:33,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:33,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:33,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:33,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:33,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:33,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:33,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:33,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:33,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:33,895 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:33,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:33,895 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:33,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-08-31 01:50:33,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:33,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:33,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:33,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:33,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:33,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:33,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:33,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:33,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:33,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:33,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:33,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:33,939 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:33,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-08-31 01:50:33,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:33,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:33,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:33,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:33,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:33,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:33,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:33,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:33,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:33,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:33,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:33,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:33,984 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:33,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-08-31 01:50:33,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:33,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:33,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:33,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:33,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:33,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:33,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:33,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:34,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:34,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:34,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:34,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:34,027 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:34,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-08-31 01:50:34,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:34,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:34,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:34,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:34,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:34,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:34,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:34,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:34,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:34,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:34,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:34,070 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:34,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-08-31 01:50:34,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:34,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:34,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:34,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:34,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:34,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:34,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:34,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:34,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:34,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:34,111 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:34,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:34,111 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:34,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-08-31 01:50:34,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:34,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:34,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:34,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:34,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:34,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:34,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:34,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:34,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:34,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:34,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:34,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:34,152 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:34,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-08-31 01:50:34,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:34,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:34,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:34,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:34,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:34,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:34,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:34,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:34,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:34,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:34,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:34,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:34,193 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:34,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-08-31 01:50:34,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:34,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:34,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:34,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:34,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:34,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:34,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:34,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:34,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:34,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-08-31 01:50:34,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:34,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:34,233 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:34,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-08-31 01:50:34,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:34,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:34,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:34,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:34,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:34,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:34,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:34,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:34,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:34,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:34,260 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:34,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:34,261 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:34,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-08-31 01:50:34,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:34,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:34,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:50:34,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:34,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:34,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:34,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:50:34,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:50:34,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:34,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:34,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:34,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:34,302 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:34,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-08-31 01:50:34,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:34,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:34,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:34,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:34,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:34,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:34,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:34,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:34,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:34,330 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:34,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:34,331 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:34,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-08-31 01:50:34,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:34,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:34,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:34,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:34,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:34,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:34,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:34,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:34,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-08-31 01:50:34,364 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:34,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:34,364 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:34,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-08-31 01:50:34,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:34,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:34,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:34,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:34,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:34,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:34,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:34,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:34,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:34,404 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:34,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:34,405 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:34,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-08-31 01:50:34,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:34,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:34,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:34,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:34,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:34,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:34,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:34,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:34,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-08-31 01:50:34,446 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:34,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:34,446 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:34,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-08-31 01:50:34,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:34,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:34,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:34,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:34,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:34,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:34,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:34,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:34,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-08-31 01:50:34,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:34,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:34,487 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:34,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-08-31 01:50:34,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:34,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:34,496 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-08-31 01:50:34,496 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2021-08-31 01:50:34,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:34,550 INFO L401 nArgumentSynthesizer]: We have 132 Motzkin's Theorem applications. [2021-08-31 01:50:34,550 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-08-31 01:50:34,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:34,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-08-31 01:50:34,682 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:34,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:34,683 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:34,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-08-31 01:50:34,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:34,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:34,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:34,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:34,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:34,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:34,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:34,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:50:34,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-08-31 01:50:34,715 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:34,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:34,716 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:34,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-08-31 01:50:34,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:50:34,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:50:34,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:50:34,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:50:34,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:50:34,732 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:50:34,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:50:34,747 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:50:34,778 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2021-08-31 01:50:34,779 INFO L444 ModelExtractionUtils]: 20 out of 58 variables were initially zero. Simplification set additionally 35 variables to zero. [2021-08-31 01:50:34,779 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:50:34,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:50:34,790 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 01:50:34,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-08-31 01:50:34,817 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:50:34,850 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 01:50:34,850 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:50:34,850 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_3, ULTIMATE.start_cstrspn_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc216.base)_3 + 2*ULTIMATE.start_cstrspn_~s~0.offset Supporting invariants [] [2021-08-31 01:50:34,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-08-31 01:50:34,923 INFO L297 tatePredicateManager]: 30 out of 32 supporting invariants were superfluous and have been removed [2021-08-31 01:50:34,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:50:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:50:34,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-31 01:50:34,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:50:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:50:35,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-31 01:50:35,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:50:35,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:50:35,074 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-08-31 01:50:35,074 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:50:35,110 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 51 transitions. Complement of second has 6 states. [2021-08-31 01:50:35,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 01:50:35,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:50:35,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-08-31 01:50:35,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-08-31 01:50:35,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:50:35,113 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-31 01:50:35,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:50:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:50:35,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-31 01:50:35,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:50:35,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-08-31 01:50:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:50:35,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-31 01:50:35,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:50:35,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:50:35,275 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-08-31 01:50:35,275 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:50:35,312 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 51 transitions. Complement of second has 6 states. [2021-08-31 01:50:35,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 01:50:35,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:50:35,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-08-31 01:50:35,313 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2021-08-31 01:50:35,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:50:35,314 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-31 01:50:35,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:50:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:50:35,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-31 01:50:35,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:50:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:50:35,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-31 01:50:35,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:50:35,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:50:35,437 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-08-31 01:50:35,437 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:50:35,480 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 53 transitions. Complement of second has 5 states. [2021-08-31 01:50:35,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 01:50:35,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:50:35,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-08-31 01:50:35,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2021-08-31 01:50:35,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:50:35,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2021-08-31 01:50:35,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:50:35,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2021-08-31 01:50:35,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:50:35,482 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2021-08-31 01:50:35,483 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 01:50:35,483 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2021-08-31 01:50:35,483 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 01:50:35,483 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 01:50:35,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 01:50:35,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:50:35,483 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:50:35,483 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:50:35,483 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:50:35,483 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-31 01:50:35,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 01:50:35,483 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 01:50:35,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 01:50:35,485 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 01:50:35,488 INFO L158 Benchmark]: Toolchain (without parser) took 10891.92ms. Allocated memory was 54.5MB in the beginning and 125.8MB in the end (delta: 71.3MB). Free memory was 35.8MB in the beginning and 70.1MB in the end (delta: -34.3MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2021-08-31 01:50:35,488 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 44.0MB. Free memory was 26.1MB in the beginning and 26.1MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:50:35,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.60ms. Allocated memory is still 54.5MB. Free memory was 35.6MB in the beginning and 30.9MB in the end (delta: 4.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-31 01:50:35,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.32ms. Allocated memory is still 54.5MB. Free memory was 30.9MB in the beginning and 28.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 01:50:35,489 INFO L158 Benchmark]: Boogie Preprocessor took 28.86ms. Allocated memory is still 54.5MB. Free memory was 28.9MB in the beginning and 27.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 01:50:35,489 INFO L158 Benchmark]: RCFGBuilder took 199.91ms. Allocated memory is still 54.5MB. Free memory was 27.4MB in the beginning and 31.2MB in the end (delta: -3.8MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-08-31 01:50:35,489 INFO L158 Benchmark]: BuchiAutomizer took 10302.92ms. Allocated memory was 54.5MB in the beginning and 125.8MB in the end (delta: 71.3MB). Free memory was 31.0MB in the beginning and 70.1MB in the end (delta: -39.1MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2021-08-31 01:50:35,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 44.0MB. Free memory was 26.1MB in the beginning and 26.1MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.60ms. Allocated memory is still 54.5MB. Free memory was 35.6MB in the beginning and 30.9MB in the end (delta: 4.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.32ms. Allocated memory is still 54.5MB. Free memory was 30.9MB in the beginning and 28.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.86ms. Allocated memory is still 54.5MB. Free memory was 28.9MB in the beginning and 27.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 199.91ms. Allocated memory is still 54.5MB. Free memory was 27.4MB in the beginning and 31.2MB in the end (delta: -3.8MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 10302.92ms. Allocated memory was 54.5MB in the beginning and 125.8MB in the end (delta: 71.3MB). Free memory was 31.0MB in the beginning and 70.1MB in the end (delta: -39.1MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length1 * sizeof(char))] + -1 * sc1 and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[nondetString2] + 2 * s and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length2 * sizeof(char))] + 2 * s and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 01:50:35,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...